Documentation update

>>>

NOTE: If an acceleration value is received and its confidence value is set to `outOfRange(101)`, it means that the value is not valid and therefore cannot be trusted. Such value is not useful for the application.

>>>

```asn1

AccelerationConfidence ::= INTEGER {

    outOfRange                 (101), 

>>>

NOTE: The system engagement condition is OEM specific and therefore out of scope of the present document.

>>>

```asn1

AccelerationControl ::= BIT STRING {

    brakePedalEngaged       (0),

>>>

NOTE:&emsp;the formula for values > -160 and <160 results in rounding up to the next value. Zero acceleration is indicated using n=0.

>>>

```asn1

AccelerationValue ::= INTEGER {

    negativeOutOfRange (-160),

NOTE: If an altitude value is received and its confidence value is set to `outOfRange(14)`, it means that the  

 altitude value is not valid and therefore cannot be trusted. Such value is not useful for the application.

>>>

```asn1

AltitudeConfidence ::= ENUMERATED {

    alt-000-01  (0),

>>>

NOTE: the range of this DE does not use the full binary encoding range, but all reasonable values are covered. In order to cover all possible altitude ranges a larger encoding would be necessary.

>>>

```asn1

AltitudeValue ::= INTEGER {

    negativeOutOfRange (-100000),

>>>

NOTE: this DE is deprecated and shall not be used anymore.

>>>

```asn1

CenDsrcTollingZoneID::= ProtectedZoneId

```

NOTE: If a curvature value is received and its confidence value is set to `outOfRange(6)`, it means that the curvature value is not valid 

 and therefore cannot be trusted. Such value is not useful for the application.

>>>

```asn1

CurvatureConfidence ::= ENUMERATED {

    onePerMeter-0-00002 (0),

>>>

NOTE: The present DE is limited to vehicle types as defined in ISO 8855 [[21]](#references).

>>>

```asn1

CurvatureValue ::= INTEGER {

    outOfRangeNegative (-1023),

>>>

NOTE: hard shoulder status is not provided by this DE but in [**HardShoulderStatus**](#HardShoulderStatus).

>>>

```asn1

DrivingLaneStatus ::= BIT STRING (SIZE (1..13))

```

 either manually by the driver or automatically by a vehicle system. The bit value does not indicate

 if the corresponding lamps are alight or not.

>>>

```asn1

ExteriorLights ::= BIT STRING {

    lowBeamHeadlightsOn      (0),

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**Wgs84AngleConfidence**](#Wgs84AngleConfidence) instead.

>>>

```asn1

HeadingConfidence ::= INTEGER {

    outOfRange  (126), 

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**Wgs84AngleValue**](#Wgs84AngleValue) instead.

>>>

```asn1

HeadingValue ::= INTEGER { 

    wgs84North  (0),

>>>

NOTE: Definition of quality level is out of scope of the present document.

>>>

```asn1

InformationQuality ::= INTEGER (0..7)

```

>>>

NOTE: in practice this means that the position is counted from "inside" to "outside" no matter which traffic practice is used.

>>>

```asn1

LanePosition ::= INTEGER {

    offTheRoad           (-1), 

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use [**AccelerationValue**](#AccelerationValue) instead.

>>>

```asn1

LateralAccelerationValue ::= INTEGER {

    negativeOutOfRange (-160),

>>>

NOTE: The empty load vehicle is defined in ISO 1176 [[8]](#references), clause 4.6.

>>>

```asn1

LongitudinalAccelerationValue::= INTEGER {

    negativeOutOfRange (-160),

>>>

NOTE: The empty load vehicle is defined in ISO 1176 [[8]](#references), clause 4.6.

>>>

```asn1

PosCentMass ::= INTEGER {

    tenCentimetres (1), 

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**StandardLength3b**](#StandardLength3b) instead.

>>>

```asn1

RelevanceDistance ::= ENUMERATED {

    lessThan50m(0), 

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**TrafficDirection**](#TrafficDirection) instead.

>>>

```asn1

RelevanceTrafficDirection ::= ENUMERATED {

    allTrafficDirections(0), 

NOTE: the abbreviations used are Lateral Distance (LaD),  Longitudinal Distance (LoD) and Vertical Distance (VD) 

 and their respective  thresholds, Minimum  Safe  Lateral  Distance (MSLaD), Minimum  Safe  Longitudinal Distance  (MSLoD),  and  Minimum  Safe Vertical Distance (MSVD).

>>>

```asn1

SafeDistanceIndicator::= BOOLEAN

```

 the position coordinate value is not valid and therefore cannot be trusted. Such value is not useful

 for the application.

>>>

```asn1

SemiAxisLength ::= INTEGER{

    doNotUse    (0),

NOTE: If a speed value is received and its confidence value is set to `outOfRange(126)`, it means that the speed value is not valid 

 and therefore cannot be trusted. Such is not useful for the application.

>>>

```asn1

SpeedConfidence ::= INTEGER {

    outOfRange  (126), 

>>>

NOTE: the definition of standstill is out of scope of the present document.

>>>

```asn1

SpeedValue ::= INTEGER {

    standstill  (0), 

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**StationId**](#StationId) instead.

>>>

```asn1

StationID ::= INTEGER(0..4294967295)

```

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**TrafficParticipantType**](#TrafficParticipantType) instead.

>>>

```asn1

StationType ::= INTEGER {

    unknown         (0), 

 - there has been a vehicle bus (e.g. CAN bus) error.

 In all 3 cases above, the steering wheel angle value may be valid and used by the application.

>>>

```asn1

SteeringWheelAngleConfidence ::= INTEGER {

    outOfRange                      (126), 

>>>

NOTE: The sub cause code value assignment varies based on value of [**CauseCode**](#CauseCode).

>>>

```asn1

SubCauseCodeType ::= INTEGER (0..255)

```

 As of 1 January, 2022, TimestampIts is 5 seconds ahead of UTC, because since the ITS epoch on 1 January 2004 00:00:00.000 UTC, 

 further 5 leap seconds have been inserted in UTC.

>>>

```asn1

TimestampIts ::= INTEGER (0..4398046511103)

```

NOTE: Upstream traffic corresponds to the incoming traffic towards the event position,

 and downstream traffic to the departing traffic away from the event position.

>>>

```asn1

TrafficDirection ::= ENUMERATED {

    allTrafficDirections (0), 

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**DeltaTimeMilliSecondPos**](#DeltaTimeMilliSecondPos) instead.

>>>

```asn1

TransmissionInterval::= INTEGER (1..10000)

```

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**DeltaTimeSecond**](#DeltaTimeSecond) instead.

>>>

```asn1

ValidityDuration::= INTEGER {

   timeOfDetection(0),

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**TrailerPresenceInformation**](#TrailerPresenceInformation) instead.

>>>

```asn1

VehicleLengthConfidenceIndication ::= ENUMERATED {

    noTrailerPresent                (0), 

>>>

NOTE: The empty load vehicle is defined in ISO 1176 [[8]](#references), clause 4.6.

>>>

```asn1

VehicleMass ::= INTEGER {

    outOfRange (1023), 

>>>

NOTE: The empty load vehicle is defined in ISO 1176 [[8]](#references), clause 4.6.

>>>

```asn1

VerticalAccelerationValue ::= INTEGER {

    negativeOutOfRange (-160),

>>>

NOTE: The empty load vehicle is defined in ISO 1176 [[8]](#references), clause 4.6.

>>>

```asn1

YawRateValue ::= INTEGER {

    negativeOutOfRange (-32766), 

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use the [**ActionId**](#ActionId) instead.

>>>

```asn1

ActionID ::= SEQUENCE {

    originatingStationId    StationID,

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use the [**AltitudeWithConfidence**](#AltitudeWithConfidence) instead.

>>>

```asn1

Altitude ::= SEQUENCE {

    altitudeValue         AltitudeValue,

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use the [**CauseCodeV2**](#CauseCodeV2) instead.

>>>

```asn1

CauseCode ::= SEQUENCE {

    causeCode       CauseCodeType,

>>>

NOTE: this DF is defined for use as part of CauseCodeV2. It is recommended to use CauseCodeV2.

>>>

```asn1

CauseCodeChoice::= CHOICE {

    reserved0                                          SubCauseCodeType,

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use the [**EventZone**](#EventZone) instead.

>>>

```asn1

EventHistory::= SEQUENCE (SIZE(1..23)) OF EventPoint

```

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use the [**Wgs84Angle**](ETSI-ITS-CDD.md#Wgs84Angle) instead.

>>>

```asn1

Heading ::= SEQUENCE {

    headingValue         HeadingValue,

>>>

NOTE: when the component region is present, the IntersectionReferenceId is guaranteed to be globally unique.

>>>

```asn1

IntersectionReferenceId ::= SEQUENCE {

    region    Identifier2B OPTIONAL,

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use [**AccelerationComponent**](#AccelerationComponent) instead.

>>>

```asn1

LateralAcceleration ::= SEQUENCE {

    lateralAccelerationValue         LateralAccelerationValue,

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use [**AccelerationComponent**](#AccelerationComponent) instead.

>>>

```asn1

LongitudinalAcceleration ::= SEQUENCE {

    longitudinalAccelerationValue         LongitudinalAccelerationValue,

NOTE: All parameters are optional, as they may not apply to some of the technologies or

 interference management zone types. Specification details are in ETSI TS 103 724 [[24]](#references), clause 7.

>>>

```asn1

MitigationPerTechnologyClass ::= SEQUENCE {

   accessTechnologyClass    AccessTechnologyClass, 

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use [**Path**](#Path) instead.

>>>

```asn1

PathHistory::= SEQUENCE (SIZE(40)) OF PathPoint

```

>>>

NOTE: A protected communication zone may be defined around a CEN DSRC road side equipment.

>>>

```asn1

ProtectedCommunicationZone ::= SEQUENCE {

    protectedZoneType         ProtectedZoneType,

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**ReferencePositionWithConfidence**](#ReferencePositionWithConfidence) instead.

>>>

```asn1

ReferencePosition ::= SEQUENCE {

    latitude                     Latitude,

>>>

NOTE: when the component region is present, the RoadSegmentReferenceId is guaranteed to be globally unique.

>>>

```asn1

RoadSegmentReferenceId ::= SEQUENCE {

    region    Identifier2B OPTIONAL,

NOTE: the abbreviations used are Lateral Distance (LaD),  Longitudinal Distance (LoD) and Vertical Distance (VD) 

 and their respective  thresholds, Minimum  Safe  Lateral  Distance (MSLaD), Minimum  Safe  Longitudinal Distance  (MSLoD),  and  Minimum  Safe Vertical Distance (MSVD).

>>>

```asn1

SafeDistanceIndication ::= SEQUENCE {

    subjectStation           StationId OPTIONAL,

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use [**AccelerationComponent**](#AccelerationComponent) instead.

>>>

```asn1

VerticalAcceleration ::= SEQUENCE {

    verticalAccelerationValue         VerticalAccelerationValue,

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use [**VehicleLengthV2**](#VehicleLengthV2) instead.

>>>

```asn1

VehicleLength ::= SEQUENCE {

    vehicleLengthValue                   VehicleLengthValue,